Answer:
He is 20 at oldest, or 
Step-by-step explanation:
The first step in finding a possible age is:
Subtract 10 from 51, and you get 41. Divide by 2, and you get about 20.5.
This means Joe is younger than or 20 years old.
Answer:
A
Step-by-step explanation:
Answer:
SAS POSTULATE can prove the triangle congruent
Step-by-step explanation:
plz mark me brainlist
Answer:
5v^2x + 4
Step-by-step explanation:
I'm not sure but i hope this help's